IPv4 R&E Routing Table Report 23:05 GMT Sat 07 Jan, 2023 IPv4 BGP Table (Global) as seen at Singapore. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/Singapore/ Analysis Summary ---------------- BGP routing table entries examined: 902543 Prefixes after maximum aggregation (per Origin AS): 344143 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 444821 Number of IPv4 prefixes with a valid ROA: 367185 Number of IPv4 prefixes with an invalid ROA: 1573 Number of IPv4 prefixes with no ROA: 533785 Total ASes present in the Internet Routing Table: 73852 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 63411 Origin ASes announcing only one prefix: 26131 Transit ASes present in the Internet Routing Table: 10441 Transit-only ASes present in the Internet Routing Table: 424 Paths with bogon ASNs present in the IPv4 Routing Table: 32 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 997 Number of instances of unregistered ASNs: 1006 Number of 32-bit ASNs allocated by the RIRs: 41034 Number of 32-bit ASNs visible in the Routing Table: 33934 Prefixes from 32-bit ASNs in the Routing Table: 165361 Number of bogon 32-bit ASNs visible in the Routing Table: 24 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 505 Number of addresses announced to Internet: 3062462720 Equivalent to 182 /8s, 137 /16s and 121 /24s Percentage of available address space announced: 82.7 Percentage of allocated address space announced: 82.7 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 303636 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233268 Total APNIC prefixes after maximum aggregation: 67982 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 228118 Unique aggregates announced from the APNIC address blocks: 97505 APNIC Region origin ASes present in the Internet Routing Table: 13129 APNIC Prefixes per ASN: 17.38 APNIC Region origin ASes announcing only one prefix: 3825 APNIC Region transit ASes present in the Internet Routing Table: 1770 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8451 Number of APNIC addresses announced to Internet: 773237504 Equivalent to 46 /8s, 22 /16s and 171 /24s APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-64098, 64297-64395, 131072-151865 APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8, 163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 266443 Total ARIN prefixes after maximum aggregation: 121301 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 268035 Unique aggregates announced from the ARIN address blocks: 129645 ARIN Region origin ASes present in the Internet Routing Table: 19002 ARIN Prefixes per ASN: 14.11 ARIN Region origin ASes announcing only one prefix: 6998 ARIN Region transit ASes present in the Internet Routing Table: 1887 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4704 Number of ARIN addresses announced to Internet: 1285487872 Equivalent to 76 /8s, 158 /16s and 253 /24s ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153 3354-4607, 4865-5119, 5632-6655, 6912-7466 7723-8191, 10240-12287, 13312-15359, 16384-17407 18432-20479, 21504-23551, 25600-26591, 26624-27647, 29696-30719, 31744-33791 35840-36863, 39936-40959, 46080-47103 53248-55295, 62464-63487, 64198-64296, 393216-401308 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 255752 Total RIPE prefixes after maximum aggregation: 120164 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 252483 Unique aggregates announced from the RIPE address blocks: 156241 RIPE Region origin ASes present in the Internet Routing Table: 28204 RIPE Prefixes per ASN: 8.95 RIPE Region origin ASes announcing only one prefix: 12038 RIPE Region transit ASes present in the Internet Routing Table: 3999 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 38 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10960 Number of RIPE addresses announced to Internet: 719430144 Equivalent to 42 /8s, 225 /16s and 162 /24s RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 (pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-35839, 38912-39935 40960-45055, 47104-52223, 56320-58367 59392-61439, 61952-62463, 64396-64495 196608-213403 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8, 141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 117329 Total LACNIC prefixes after maximum aggregation: 28246 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 116556 Unique aggregates announced from the LACNIC address blocks: 48943 LACNIC Region origin ASes present in the Internet Routing Table: 10998 LACNIC Prefixes per ASN: 10.60 LACNIC Region origin ASes announcing only one prefix: 2675 LACNIC Region transit ASes present in the Internet Routing Table: 2272 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8767 Number of LACNIC addresses announced to Internet: 175969792 Equivalent to 10 /8s, 125 /16s and 22 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + ERX transfers LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8, 191/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 28754 Total AfriNIC prefixes after maximum aggregation: 5700 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 36846 Unique aggregates announced from the AfriNIC address blocks: 12076 AfriNIC Region origin ASes present in the Internet Routing Table: 1710 AfriNIC Prefixes per ASN: 21.55 AfriNIC Region origin ASes announcing only one prefix: 595 AfriNIC Region transit ASes present in the Internet Routing Table: 331 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1052 Number of AfriNIC addresses announced to Internet: 108044288 Equivalent to 6 /8s, 112 /16s and 160 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 45/8, 102/8, 105/8, 154/8, 196/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 9808 9259 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5939 786 699 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3630 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3520 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3107 1874 94 VNPT-AS-VN VNPT Corp, VN 9498 2688 499 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2358 849 436 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2283 11250 588 KIXS-AS-KR Korea Telecom, KR 4755 2162 440 215 TATACOMM-AS TATA Communications formerl 45090 2144 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 7779 10639 2912 AMAZON-02, US 11492 4549 301 565 CABLEONE, US 7155 3894 265 33 VIASAT-SP-BACKBONE, US 22773 3687 3063 319 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3520 1320 63 SHAW, CA 16625 3469 1797 2506 AKAMAI-AS, US 749 3025 50576 2292 DNIC-AS-00749, US 7018 2608 24131 1580 ATT-INTERNET4, US 396982 2574 3493 369 GOOGLE-CLOUD-PLATFORM, US 30036 2572 369 359 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 6956 1706 146 UNI2-AS, ES 39891 4556 268 59 ALJAWWALSTC-AS, SA 20940 4051 3399 175 AKAMAI-ASN1, NL 8551 3910 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2890 2290 908 ROSTELECOM-AS, RU 9009 2646 252 1354 M247, RO 34984 2255 358 611 TELLCOM-AS, TR 6849 2194 339 20 UKRTELNET, UA 58224 1803 942 530 TCI, IR 13188 1610 100 27 TRIOLAN, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 10943 3331 590 Uninet S.A. de C.V., MX 10620 3466 507 852 Telmex Colombia S.A., CO 11830 2263 369 64 Instituto Costarricense de Electricidad 13999 2200 361 590 Mega Cable, S.A. de C.V., MX 28573 1342 2328 258 Claro NXT Telecomunicacoes Ltda, BR 6503 1296 339 518 Axtel, S.A.B. de C.V., MX 3816 1291 740 156 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1150 370 22 Telefonica del Peru S.A.A., PE 11664 1135 186 467 Techtel LMDS Comunicaciones Interactiva 26615 991 2466 43 TIM SA, BR Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24835 1538 533 30 RAYA-AS, EG 24863 1477 393 21 LINKdotNET-AS, EG 36992 1319 1517 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1013 67 43 ORANGE-COTE-IVOIRE, CI 36935 882 520 42 Vodafone-, EG 6713 612 1861 34 IAM-AS, MA 37342 494 32 1 MOVITEL, MZ 15399 481 53 45 WANANCHI-, KE 2018 366 319 72 TENET-1, ZA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 10943 3331 590 Uninet S.A. de C.V., MX 9808 9259 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7779 10639 2912 AMAZON-02, US 12479 6956 1706 146 UNI2-AS, ES 7545 5939 786 699 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4556 268 59 ALJAWWALSTC-AS, SA 11492 4549 301 565 CABLEONE, US 20940 4051 3399 175 AKAMAI-ASN1, NL 8551 3910 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3894 265 33 VIASAT-SP-BACKBONE, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9259 9212 CHINAMOBILE-CN China Mobile Communications Grou 12479 6956 6810 UNI2-AS, ES 7545 5939 5240 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7779 4867 AMAZON-02, US 39891 4556 4497 ALJAWWALSTC-AS, SA 11492 4549 3984 CABLEONE, US 20940 4051 3876 AKAMAI-ASN1, NL 8551 3910 3872 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3894 3861 VIASAT-SP-BACKBONE, US 7552 3630 3609 VIETEL-AS-AP Viettel Group, VN Complete listing at https://bgp.nsrc.org/REN/Singapore/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 16641 UNALLOCATED 8.10.194.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.10.210.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.12.250.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.14.115.0/24 3356 LEVEL3, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 25674 UNALLOCATED 8.19.146.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.131.185.0/24 Origin: 174 COGENT-174, US 23.131.185.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.186.0/24 Origin: 174 COGENT-174, US 23.131.186.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.187.0/24 Origin: 174 COGENT-174, US 23.131.187.0/24 Transit: 2914 NTT-LTD-2914, US 23.136.112.0/24 Origin: 54835 UNASSIGNED 23.136.112.0/24 Transit: 21559 OSNET, PR 23.139.232.0/24 Origin: 211619 MAXKO, HR 23.139.232.0/24 Transit: 42864 GIGANET-HU GigaNet Internet Service Prov Complete listing at https://bgp.nsrc.org/REN/Singapore/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:16 /9:13 /10:38 /11:101 /12:295 /13:580 /14:1197 /15:2078 /16:13482 /17:8225 /18:13780 /19:24816 /20:42734 /21:50842 /22:108778 /23:96580 /24:538979 /25:0 /26:1 /27:1 /28:0 /29:1 /30:6 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6003 6956 UNI2-AS, ES 8151 4962 10943 Uninet S.A. de C.V., MX 39891 3547 4556 ALJAWWALSTC-AS, SA 11492 3456 4549 CABLEONE, US 8551 3375 3910 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3328 3520 SHAW, CA 7155 2983 3894 VIASAT-SP-BACKBONE, US 22773 2725 3687 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2230 2572 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2045 2194 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1623 2:1230 3:168 4:5 5:4102 6:109 7:5 8:1533 9:1 11:172 12:1596 13:377 14:2321 15:284 16:76 17:369 18:414 20:243 21:4 22:188 23:6048 24:2454 25:4 27:2705 29:19 31:2495 32:104 34:8 35:95 36:1861 37:4591 38:3993 39:823 40:144 41:3920 42:1041 43:2291 44:302 45:16455 46:4197 47:374 49:1710 50:1933 51:378 52:1547 54:396 55:865 56:8 57:79 58:1677 59:1104 60:1007 61:2419 62:2626 63:1934 64:5601 65:2318 66:4886 67:3040 68:1334 69:4091 70:1253 71:655 72:2980 74:2585 75:1465 76:594 77:2363 78:1835 79:3157 80:2069 81:1687 82:1480 83:1228 84:1495 85:2965 86:749 87:1927 88:1198 89:3555 90:586 91:7651 92:1985 93:2567 94:3521 95:3912 96:1315 97:344 98:1162 99:738 100:75 101:1292 102:2535 103:30657 104:4589 105:484 106:846 107:2533 108:907 109:4388 110:2042 111:3272 112:2024 113:1466 114:1602 115:2020 116:1864 117:2511 118:2290 119:1862 120:1718 121:1041 122:2577 123:2135 124:1534 125:2263 128:1239 129:1048 130:962 131:2005 132:825 133:405 134:1897 135:295 136:890 137:920 138:2585 139:1515 140:1027 141:1487 142:1409 143:1443 144:1185 145:350 146:1882 147:1537 148:2261 149:1859 150:860 151:1136 152:1967 153:477 154:3872 155:1404 156:1646 157:1296 158:1043 159:2253 160:2570 161:1432 162:3529 163:1478 164:1672 165:1663 166:825 167:1751 168:3843 169:917 170:4568 171:889 172:3496 173:3054 174:1026 175:1159 176:3708 177:4749 178:3550 179:2153 180:2409 181:3375 182:3242 183:1937 184:2347 185:19988 186:4646 187:3906 188:4081 189:3426 190:9026 191:1463 192:10955 193:8831 194:7199 195:5090 196:3060 197:2395 198:5924 199:6072 200:7645 201:5867 202:10209 203:10014 204:4589 205:3497 206:3785 207:3345 208:4086 209:4778 210:4153 211:2384 212:4059 213:3533 214:1101 215:55 216:6573 217:2633 218:1253 219:408 220:1779 221:964 222:662 223:1978 End of report